<!DOCTYPE html>
<meta charset="utf-8">
<link rel="match" href="block_formatting_context_margin_inout_ref.html">
<style>
html, body {
    margin: 0;
}
div {
    float: right;
    width: 300px;
    height: 32px;
    background: green;
}
section {
    margin-right: 300px;
    overflow: hidden;
    height: 64px;
    background: blue;
}
</style>
<div></div>
<section></section>
<section></section>

